Minecraft import world problem
have you tried using MCprep? https://theduckcow.com/dev/blender/mcprep/ doing the "prep materials" option usually fixes most of these world problems, u do that by selecting all the objects u want to prep materials for, then click on prep on oyur left side pannel (brought up with pressing N) and thats it, a pop up will appear with an option for missing textures, try enabling that and see what happens